21152901 is an odd 8-digits composite number following 21152900
and preceding 21152902 . In scientific notation, it is written as 2.1152901 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10988400 positive integers (up to 21152901) that are relatively prime to 21152901.
21152901 has 16 divisors, whose sum is 35163648
The reverse of 21152901 is 10925112
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred fifty-two thousand nine hundred one
Scientific notation
2.1152901 × 10^7
Engineering notation
2.1152901 × 10^6
Prime Factorization
3 × 7 × 11 × 91571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21152901
Product of the distinct prime numbers
The prime factorization of 21152901 is 3 × 7 × 11 × 91571.
Since it has a total of 4 prime factors.
10 , 9 , 81 , 3 , 766 , 12 , 5657 , 5306 , 82614 , 33069 , 969955 , 824048 , 8272809 , 6040397 , 90055932 , 14320970 , 522708343 , 951680723 , 3599859777 , 7961138915
n×2
42305802
n×3
63458703
n×4
84611604
n×5
105764505
n÷2
10576450.5
n÷3
7050967
n÷3
5288225.25
n÷5
4230580.2
n2
447445220715801
n3
9.4647644567245E+21
n4
2.0020722554141E+29
n5
4.2349636213622E+36
2 √n
4599.2283048355
3 √n
276.56038998039
4 √n
67.817610580405
5 √n
29.179240756187
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 91571 , 274713 , 640997 , 1007281 , 1922991 , 3021843 , 7050967 , 21152901
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21152900
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21152901 can be divided by 16 positive divisors.
The sum of these divisors (counting 21152901) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101100010010000101
3
Ternary
1110210200022210
4
Quaternary
1100230102011
5
Quinary
20403343101
6
Senary
2033214033
8
Octal
120542205
10
Decimal
21152901
12
Duodecimal
7101319
16
Hexadecimal
142c485
20
Vigesimal
6c4251
36
Base36
cldol
md5
5ff5f30446afd405c70b982c7227e33f
sha1
5c127ef03dbabc9ee85b3df5db1468b311678d8f
sha256
f3052c9d2914243cc62596a37b10d746b0549f4ab43e815ef5667c10482f3057
sha512
50ac703358405c75746428d3c859d22330143190abde5c6d3bd043371f657723ee4b9175e5e50746abcb31cd11fdbf9bc5cc1f16e76290c86bc97d5a186e78a6
ripemd-160
789ecf9d652d55e2769dc0afe6a54666dbab43b3
Diameter
42305802
Circumference
132907596.76742
Area
1.4056906182846E+15
Volume
3.9645912646938E+22
Surface area
5.6227624731385E+15
Circumference
132907596.76742
Perimeter
84611604
Area
447445220715801
Diagonal
29914719.477735
Surface area
2684671324294806
Volume
9.4647644567245E+21
Space diagonal
36637899.259475
Perimeter
63458703
Area
1.9374946397091E+14
Altitude
18318949.629737
Surface area
1.9374946397091E+14
Volume
1.1154331882805E+21
Height
9971573.1592451